Model Railway CAD program
JaxoDraw: Feynman Diagrams made easy!
Draw vector graphics to scale using a descriptive language
A simple LaTeX {picture} drawing tool
Another drawing editor for LaTeX with PSTricks & TikZ
A bunch of unofficial icons based on Google's Material Design Icons.
Cross Platform GUI Toolkit
Vector drawing program for LaTeX using PSTricks
Simple and intuitive 2D vector drawing for electronics and not only.
Former project page
A graphical Finite State Machine (FSM) designer.
Font editor
Free drawing software for Windows, Mac OS X, and Linux
Output Processing script from Java AWT/Swing paint call
A powerful C++ class library for image manipulation